function to obtain data for nucleotides or proteins from SARS-CoV-2
c19.NPs.data(
src = "livedata",
DB = "nucleotide",
max.nr.recs = NULL,
accOnly = TRUE
)
origin for the data source: "livedata", "repo", "local"
database
maximun number of records to retrieve, there are limitations in the fns and server sides
boolean indicator for getting only accession codes or whole records